Finding the Fourth Proportional to 16,656.14, 22,981.02 and 9,938.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656.14 : 22,981.02 = 9,938.72 : x
2. Step 2: Convert to fraction form
   16,656.14/22,981.02 = 9,938.72/x
3. Step 3: Cross multiply
   16,656.14x = 22,981.02 × 9,938.72
4. Step 4: Simplify right side
   16,656.14x = 228,401,923.09
5. Step 5: Solve for x
   x = 228,401,923.09/16,656.14
6. Step 6: Final answer
   x = 13,712.78